Blue Chillout Space is a 2-column, widget-ready theme with a blue color scheme.
Blue Stripes is a 3-column, widget- and adsense-ready theme that comes in both AJAX and non-AJAX varieties.
Blueprint is a 2-column, widget-ready theme with a stylesheet designed for easy customizability.
The Global Warming Theme is a 3-column theme aimed to raised awareness about the environment.
Greenwave is a 3-column, widget-ready theme with header graphic and date icons.
Loopy Blue is a 2-column, widget-ready theme.
Prisa is a 2-column, minimalist theme.
Simpleton is a 3-column, minimalist theme.